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Factoring and Multiples

How do you find the least common factor?

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December 13, 2016 4:15AM

The lowest common factor of any set of whole numbers would be 1. The way to find the least common factor would be to list all the factors of each number, determine which factors are common to all numbers, and then choose the smallest. However, that will be 1.
By remembering that the least common factor of any set of integers is 1.
All you have to do is memorize this: The least common factor of any set of nonzero positive integers is 1.